أثر التعب العضلي على بعض المتغيرات الميكانيكية وعلاقتها بدقة مهارة التصويب بالرأس لدى لاعبي كرة القدم
Abstract
ملخص
هدفت الدراسة التعرف إلى أثر التعب العضلي على بعض المتغيرات الميكانيكية وعلاقتها بدقة التصويب بالرأس لدى لاعبي كرة القدم، استخدم الباحث المنهج الوصفي،عينة الدراسة اختيرت عشوائيا وتكونت من (12)لاعباً من لاعبي منتخب جامعة مؤتة لكرة القدم ،جمعت بيانات الدراسة بالتصوير الفيديوي كما استخدم برنامج Kinovea لاستخراج البيانات الميكانيكية الخام للدراسة، إحصائيا استخدم المتوسط الحسابي والانحراف المعياري واختبار T اختبار Z لبيان فروق العلاقات، وأظهرت نتائج الدراسة تأثير التعب العضلي سلبيا على كل من المتغيرات الميكانيكية ودقة مهارة التصويب بالرأس ماعدا متغير زاوية الجذع لحظة التصويب. كما تبين أن المتغيرات الميكانيكية ذات علاقة توافقية مع مهارة دقة التصويب بالرأس حيث لم يؤثر التعب تأثيرا إحصائيا على هذه العلاقة.
وأوصى الباحث بضرورة الارتفاع بالأحمال التدريبية لإحداث تأثير إيجابي على المتغيرات الميكانيكية مع وضع برامج تدريبية لتحسين الحالة البدنية العامة وعنصري التحمل والتوافق العضلي بصورة خاصة لتجنب انخفاض دقة مهارة التصويب بالرأس في ظل التعب العضلي.
The Effect of Muscle Fatigue on Some of Mechanical Variables and Its Relationship With Head Shoot Accuracy for Football Players
Abstract
The study aimed to identify the effect of muscle fatigue on some of mechanical variables and its relationship with head shoot accuracy for football players. The researcher used the descriptive method, study sample was chosen randomly and consisted of 12players from Mutah University football team. The study data were collected through videotaping and analyzed by Kinovea program. Statistically, the researcher used SMA, standard deviation, T test and Z test. The results of the study showed a negative effect of muscle fatigue on of both mechanical variables and the accuracy of head shoot skill, except the variable of trunk angle shooting moment. The study also showed that the mechanical variables have a consensual relationship with head shoot accuracy for football players where fatigue did not affect statistically on this relationship. The researcher recommended increasing the training loads to make a positive impact on the mechanical variables and development of training programs to improve the general physical condition and the elements of endurance and muscle compatibility to avoid the low of head shoot accuracy skill for football players in light of muscle fatigue..
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DOI: http://dx.doi.org/10.35682/996
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MUTAH UNIVERSITY